var NumberOfNewEntrySets = 1;

function OnDivScroll()
{  
  var el = document.getElementById('scrollContainer');
  if(el.scrollTop < el.scrollHeight - 800)
    return;
  
  
  var loading = document.getElementById('loadingDiv');
  if(loading.style.display == '')
    return; //already loading
    
  loading.style.display = '';
  
  LoadMoreElements();
}

function LoadMoreElements()
{
  //Do a server callback to load 
  //more elements
  
  setTimeout(LoadCallback, 350);
}

function LoadCallback()
{
  var el = document.getElementById('scrollContainer');
  var loading = document.getElementById('loadingDiv');
  
  loading.style.display = 'none';
  
}